Styled to compliment today's popular MP3 players, the P7 earbud incorporates a dynamic element that delivers an impressive, full frequency response of 40Hz-20, 000Hz. The intra-aural earbud design employs a soft, silicone ear cushion that seals the sound in your ear to clearly reproduce every note of your favorite music. Removable and replaceable, the silicon cushions allow for maximum comfort during extended listening periods.The P7 includes a compact, easy-to-store carrying case that will fit any lifestyle. Pocket-sized, it travels anywhere in a briefcase, backpack or purse. A four-foot straight cord features a 3.5mm L-plug for improved reliability and durability and can be easily stored tangle-free in the carrying case.